/****************************************************************************
 * Copyright (C) 2009 SciTouch LLC
 * 
 * This file is part of Indigo toolkit.
 * 
 * This file may be distributed and/or modified under the terms of the
 * GNU General Public License version 3 as published by the Free Software
 * Foundation and appearing in the file LICENSE.GPL included in the
 * packaging of this file.
 * 
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 ***************************************************************************/

#ifndef __molecule_ring_canonizer__
#define __molecule_ring_canonizer__

#include "graph/ring_canonizer.h"

class MoleculeRingCanonizer : public RingCanonizer
{
public:
	 MoleculeRingCanonizer ();

    void edgeCodesOff ();

protected:
   static int _vertex_rank (const Graph &tree, int vertex_idx);
   static int _edge_rank (const Graph &tree, int edge_idx);

   static void _vertex_code (const Graph &tree, int vertex_idx, Output &output);
   static void _edge_code (const Graph &tree, int edge_idx, Output &output);
};

#endif
